Finding the Fourth Proportional to 11,527,978.43, 15,898,313.30 and 9,564,748.34

Step by Step Solution

1. Step 1: Write the proportion equation
   11,527,978.43 : 15,898,313.30 = 9,564,748.34 : x
2. Step 2: Convert to fraction form
   11,527,978.43/15,898,313.30 = 9,564,748.34/x
3. Step 3: Cross multiply
   11,527,978.43x = 15,898,313.30 × 9,564,748.34
4. Step 4: Simplify right side
   11,527,978.43x = 152,063,365,744,974.94
5. Step 5: Solve for x
   x = 152,063,365,744,974.94/11,527,978.43
6. Step 6: Final answer
   x = 13,190,809.36