Finding the Fourth Proportional to 42,390.64, 58,501.74 and 23,528.08

Step by Step Solution

1. Step 1: Write the proportion equation
   42,390.64 : 58,501.74 = 23,528.08 : x
2. Step 2: Convert to fraction form
   42,390.64/58,501.74 = 23,528.08/x
3. Step 3: Cross multiply
   42,390.64x = 58,501.74 × 23,528.08
4. Step 4: Simplify right side
   42,390.64x = 1,376,433,618.86
5. Step 5: Solve for x
   x = 1,376,433,618.86/42,390.64
6. Step 6: Final answer
   x = 32,470.23