Finding the Fourth Proportional to 101,585.98, 152,403.30 and 42,388.72

Step by Step Solution

1. Step 1: Write the proportion equation
   101,585.98 : 152,403.30 = 42,388.72 : x
2. Step 2: Convert to fraction form
   101,585.98/152,403.30 = 42,388.72/x
3. Step 3: Cross multiply
   101,585.98x = 152,403.30 × 42,388.72
4. Step 4: Simplify right side
   101,585.98x = 6,460,180,810.78
5. Step 5: Solve for x
   x = 6,460,180,810.78/101,585.98
6. Step 6: Final answer
   x = 63,593.23