Finding the Fourth Proportional to 147,931.08, 204,178.86 and 90,602

Step by Step Solution

1. Step 1: Write the proportion equation
   147,931.08 : 204,178.86 = 90,602 : x
2. Step 2: Convert to fraction form
   147,931.08/204,178.86 = 90,602/x
3. Step 3: Cross multiply
   147,931.08x = 204,178.86 × 90,602
4. Step 4: Simplify right side
   147,931.08x = 18,499,013,073.72
5. Step 5: Solve for x
   x = 18,499,013,073.72/147,931.08
6. Step 6: Final answer
   x = 125,051.57