Finding the Fourth Proportional to 90,427.42, 135,631.50 and 37,124.98

Step by Step Solution

1. Step 1: Write the proportion equation
   90,427.42 : 135,631.50 = 37,124.98 : x
2. Step 2: Convert to fraction form
   90,427.42/135,631.50 = 37,124.98/x
3. Step 3: Cross multiply
   90,427.42x = 135,631.50 × 37,124.98
4. Step 4: Simplify right side
   90,427.42x = 5,035,317,009.50
5. Step 5: Solve for x
   x = 5,035,317,009.50/90,427.42
6. Step 6: Final answer
   x = 55,683.52