Finding the Fourth Proportional to 111,153,162.84, 153,461,087.61 and 71,529,536.67

Step by Step Solution

1. Step 1: Write the proportion equation
   111,153,162.84 : 153,461,087.61 = 71,529,536.67 : x
2. Step 2: Convert to fraction form
   111,153,162.84/153,461,087.61 = 71,529,536.67/x
3. Step 3: Cross multiply
   111,153,162.84x = 153,461,087.61 × 71,529,536.67
4. Step 4: Simplify right side
   111,153,162.84x = 10,977,000,493,617,578
5. Step 5: Solve for x
   x = 10,977,000,493,617,578/111,153,162.84
6. Step 6: Final answer
   x = 98,755,628.84