Finding the Fourth Proportional to 52,158,028.56, 71,974,478.90 and 28,951,328.72

Step by Step Solution

1. Step 1: Write the proportion equation
   52,158,028.56 : 71,974,478.90 = 28,951,328.72 : x
2. Step 2: Convert to fraction form
   52,158,028.56/71,974,478.90 = 28,951,328.72/x
3. Step 3: Cross multiply
   52,158,028.56x = 71,974,478.90 × 28,951,328.72
4. Step 4: Simplify right side
   52,158,028.56x = 2,083,756,798,084,604
5. Step 5: Solve for x
   x = 2,083,756,798,084,604/52,158,028.56
6. Step 6: Final answer
   x = 39,950,835.10