Finding the Fourth Proportional to 111,534,046.79, 153,869,240.76 and 69,645,389.69

Step by Step Solution

1. Step 1: Write the proportion equation
   111,534,046.79 : 153,869,240.76 = 69,645,389.69 : x
2. Step 2: Convert to fraction form
   111,534,046.79/153,869,240.76 = 69,645,389.69/x
3. Step 3: Cross multiply
   111,534,046.79x = 153,869,240.76 × 69,645,389.69
4. Step 4: Simplify right side
   111,534,046.79x = 10,716,283,234,034,630
5. Step 5: Solve for x
   x = 10,716,283,234,034,630/111,534,046.79
6. Step 6: Final answer
   x = 96,080,825.03