Finding the Fourth Proportional to 152,984.88, 229,282.61 and 86,462.10

Step by Step Solution

1. Step 1: Write the proportion equation
   152,984.88 : 229,282.61 = 86,462.10 : x
2. Step 2: Convert to fraction form
   152,984.88/229,282.61 = 86,462.10/x
3. Step 3: Cross multiply
   152,984.88x = 229,282.61 × 86,462.10
4. Step 4: Simplify right side
   152,984.88x = 19,824,255,521.77
5. Step 5: Solve for x
   x = 19,824,255,521.77/152,984.88
6. Step 6: Final answer
   x = 129,583.10