Finding the Fourth Proportional to 2,113,029.86, 2,915,902.40 and 1,146,128.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,113,029.86 : 2,915,902.40 = 1,146,128.00 : x
2. Step 2: Convert to fraction form
   2,113,029.86/2,915,902.40 = 1,146,128.00/x
3. Step 3: Cross multiply
   2,113,029.86x = 2,915,902.40 × 1,146,128.00
4. Step 4: Simplify right side
   2,113,029.86x = 3,341,997,365,597.05
5. Step 5: Solve for x
   x = 3,341,997,365,597.05/2,113,029.86
6. Step 6: Final answer
   x = 1,581,613.89