Finding the Fourth Proportional to 42,156.22, 63,215.80 and 22,430.10

Step by Step Solution

1. Step 1: Write the proportion equation
   42,156.22 : 63,215.80 = 22,430.10 : x
2. Step 2: Convert to fraction form
   42,156.22/63,215.80 = 22,430.10/x
3. Step 3: Cross multiply
   42,156.22x = 63,215.80 × 22,430.10
4. Step 4: Simplify right side
   42,156.22x = 1,417,936,715.58
5. Step 5: Solve for x
   x = 1,417,936,715.58/42,156.22
6. Step 6: Final answer
   x = 33,635.29