Finding the Fourth Proportional to 42,210.78, 58,250.18 and 23,347.91

Step by Step Solution

1. Step 1: Write the proportion equation
   42,210.78 : 58,250.18 = 23,347.91 : x
2. Step 2: Convert to fraction form
   42,210.78/58,250.18 = 23,347.91/x
3. Step 3: Cross multiply
   42,210.78x = 58,250.18 × 23,347.91
4. Step 4: Simplify right side
   42,210.78x = 1,360,019,552.13
5. Step 5: Solve for x
   x = 1,360,019,552.13/42,210.78
6. Step 6: Final answer
   x = 32,219.72