Finding the Fourth Proportional to 81,587.41, 112,592.37 and 45,780.01

Step by Step Solution

1. Step 1: Write the proportion equation
   81,587.41 : 112,592.37 = 45,780.01 : x
2. Step 2: Convert to fraction form
   81,587.41/112,592.37 = 45,780.01/x
3. Step 3: Cross multiply
   81,587.41x = 112,592.37 × 45,780.01
4. Step 4: Simplify right side
   81,587.41x = 5,154,479,824.52
5. Step 5: Solve for x
   x = 5,154,479,824.52/81,587.41
6. Step 6: Final answer
   x = 63,177.39