Finding the Fourth Proportional to 1,910,669,546.78, 2,865,045,449.13 and 1,113,244,385.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,910,669,546.78 : 2,865,045,449.13 = 1,113,244,385.69 : x
2. Step 2: Convert to fraction form
   1,910,669,546.78/2,865,045,449.13 = 1,113,244,385.69/x
3. Step 3: Cross multiply
   1,910,669,546.78x = 2,865,045,449.13 × 1,113,244,385.69
4. Step 4: Simplify right side
   1,910,669,546.78x = 3,189,495,760,997,819,904
5. Step 5: Solve for x
   x = 3,189,495,760,997,819,904/1,910,669,546.78
6. Step 6: Final answer
   x = 1,669,307,895.96