Finding the Fourth Proportional to 300,680,402.89, 451,021,445.13 and 93,449,116.06

Step by Step Solution

1. Step 1: Write the proportion equation
   300,680,402.89 : 451,021,445.13 = 93,449,116.06 : x
2. Step 2: Convert to fraction form
   300,680,402.89/451,021,445.13 = 93,449,116.06/x
3. Step 3: Cross multiply
   300,680,402.89x = 451,021,445.13 × 93,449,116.06
4. Step 4: Simplify right side
   300,680,402.89x = 42,147,555,371,502,296
5. Step 5: Solve for x
   x = 42,147,555,371,502,296/300,680,402.89
6. Step 6: Final answer
   x = 140,173,935.40