Finding the Fourth Proportional to 15,652,126, 21,590,782.72 and 9,841,708.72

Step by Step Solution

1. Step 1: Write the proportion equation
   15,652,126 : 21,590,782.72 = 9,841,708.72 : x
2. Step 2: Convert to fraction form
   15,652,126/21,590,782.72 = 9,841,708.72/x
3. Step 3: Cross multiply
   15,652,126x = 21,590,782.72 × 9,841,708.72
4. Step 4: Simplify right side
   15,652,126x = 212,490,194,567,049.31
5. Step 5: Solve for x
   x = 212,490,194,567,049.31/15,652,126
6. Step 6: Final answer
   x = 13,575,803.99