Finding the Fourth Proportional to 58,642.25, 80,925.85 and 31,784.07

Step by Step Solution

1. Step 1: Write the proportion equation
   58,642.25 : 80,925.85 = 31,784.07 : x
2. Step 2: Convert to fraction form
   58,642.25/80,925.85 = 31,784.07/x
3. Step 3: Cross multiply
   58,642.25x = 80,925.85 × 31,784.07
4. Step 4: Simplify right side
   58,642.25x = 2,572,152,722.29
5. Step 5: Solve for x
   x = 2,572,152,722.29/58,642.25
6. Step 6: Final answer
   x = 43,861.77