Finding the Fourth Proportional to 111,153,162.34, 153,461,086.92 and 71,529,536.18

Step by Step Solution

1. Step 1: Write the proportion equation
   111,153,162.34 : 153,461,086.92 = 71,529,536.18 : x
2. Step 2: Convert to fraction form
   111,153,162.34/153,461,086.92 = 71,529,536.18/x
3. Step 3: Cross multiply
   111,153,162.34x = 153,461,086.92 × 71,529,536.18
4. Step 4: Simplify right side
   111,153,162.34x = 10,977,000,369,066,264
5. Step 5: Solve for x
   x = 10,977,000,369,066,264/111,153,162.34
6. Step 6: Final answer
   x = 98,755,628.16