Finding the Fourth Proportional to 62,215.63, 85,830.27 and 42,065.12

Step by Step Solution

1. Step 1: Write the proportion equation
   62,215.63 : 85,830.27 = 42,065.12 : x
2. Step 2: Convert to fraction form
   62,215.63/85,830.27 = 42,065.12/x
3. Step 3: Cross multiply
   62,215.63x = 85,830.27 × 42,065.12
4. Step 4: Simplify right side
   62,215.63x = 3,610,460,664.01
5. Step 5: Solve for x
   x = 3,610,460,664.01/62,215.63
6. Step 6: Final answer
   x = 58,031.41