Finding the Fourth Proportional to 153,434.88, 230,016.78 and 59,875.20

Step by Step Solution

1. Step 1: Write the proportion equation
   153,434.88 : 230,016.78 = 59,875.20 : x
2. Step 2: Convert to fraction form
   153,434.88/230,016.78 = 59,875.20/x
3. Step 3: Cross multiply
   153,434.88x = 230,016.78 × 59,875.20
4. Step 4: Simplify right side
   153,434.88x = 13,772,300,705.86
5. Step 5: Solve for x
   x = 13,772,300,705.86/153,434.88
6. Step 6: Final answer
   x = 89,759.91