Finding the Fourth Proportional to 89,714.10, 134,572.18 and 38,415.86

Step by Step Solution

1. Step 1: Write the proportion equation
   89,714.10 : 134,572.18 = 38,415.86 : x
2. Step 2: Convert to fraction form
   89,714.10/134,572.18 = 38,415.86/x
3. Step 3: Cross multiply
   89,714.10x = 134,572.18 × 38,415.86
4. Step 4: Simplify right side
   89,714.10x = 5,169,706,026.77
5. Step 5: Solve for x
   x = 5,169,706,026.77/89,714.10
6. Step 6: Final answer
   x = 57,624.23