Finding the Fourth Proportional to 62,111.74, 85,726.34 and 39,477.10

Step by Step Solution

1. Step 1: Write the proportion equation
   62,111.74 : 85,726.34 = 39,477.10 : x
2. Step 2: Convert to fraction form
   62,111.74/85,726.34 = 39,477.10/x
3. Step 3: Cross multiply
   62,111.74x = 85,726.34 × 39,477.10
4. Step 4: Simplify right side
   62,111.74x = 3,384,227,296.81
5. Step 5: Solve for x
   x = 3,384,227,296.81/62,111.74
6. Step 6: Final answer
   x = 54,486.11