Finding the Fourth Proportional to 91,303.71, 136,939.16 and 41,374.50

Step by Step Solution

1. Step 1: Write the proportion equation
   91,303.71 : 136,939.16 = 41,374.50 : x
2. Step 2: Convert to fraction form
   91,303.71/136,939.16 = 41,374.50/x
3. Step 3: Cross multiply
   91,303.71x = 136,939.16 × 41,374.50
4. Step 4: Simplify right side
   91,303.71x = 5,665,789,068.55
5. Step 5: Solve for x
   x = 5,665,789,068.55/91,303.71
6. Step 6: Final answer
   x = 62,054.31