Finding the Fourth Proportional to 86,100.61, 129,160.59 and 22,923.20

Step by Step Solution

1. Step 1: Write the proportion equation
   86,100.61 : 129,160.59 = 22,923.20 : x
2. Step 2: Convert to fraction form
   86,100.61/129,160.59 = 22,923.20/x
3. Step 3: Cross multiply
   86,100.61x = 129,160.59 × 22,923.20
4. Step 4: Simplify right side
   86,100.61x = 2,960,774,036.69
5. Step 5: Solve for x
   x = 2,960,774,036.69/86,100.61
6. Step 6: Final answer
   x = 34,387.38