Finding the Fourth Proportional to 105,174,333.60, 158,479,391.97 and 86,425,095.12

Step by Step Solution

1. Step 1: Write the proportion equation
   105,174,333.60 : 158,479,391.97 = 86,425,095.12 : x
2. Step 2: Convert to fraction form
   105,174,333.60/158,479,391.97 = 86,425,095.12/x
3. Step 3: Cross multiply
   105,174,333.60x = 158,479,391.97 × 86,425,095.12
4. Step 4: Simplify right side
   105,174,333.60x = 13,696,596,525,567,014
5. Step 5: Solve for x
   x = 13,696,596,525,567,014/105,174,333.60
6. Step 6: Final answer
   x = 130,227,557.02