Finding the Fourth Proportional to 52,097,726.88, 71,899,279.56 and 28,900,328.04

Step by Step Solution

1. Step 1: Write the proportion equation
   52,097,726.88 : 71,899,279.56 = 28,900,328.04 : x
2. Step 2: Convert to fraction form
   52,097,726.88/71,899,279.56 = 28,900,328.04/x
3. Step 3: Cross multiply
   52,097,726.88x = 71,899,279.56 × 28,900,328.04
4. Step 4: Simplify right side
   52,097,726.88x = 2,077,912,765,123,666.75
5. Step 5: Solve for x
   x = 2,077,912,765,123,666.75/52,097,726.88
6. Step 6: Final answer
   x = 39,884,902.65