Finding the Fourth Proportional to 135,098.52, 186,445.61 and 74,667.86

Step by Step Solution

1. Step 1: Write the proportion equation
   135,098.52 : 186,445.61 = 74,667.86 : x
2. Step 2: Convert to fraction form
   135,098.52/186,445.61 = 74,667.86/x
3. Step 3: Cross multiply
   135,098.52x = 186,445.61 × 74,667.86
4. Step 4: Simplify right side
   135,098.52x = 13,921,495,171.21
5. Step 5: Solve for x
   x = 13,921,495,171.21/135,098.52
6. Step 6: Final answer
   x = 103,046.99