Finding the Fourth Proportional to 42,807.21, 59,090.51 and 38,323.18

Step by Step Solution

1. Step 1: Write the proportion equation
   42,807.21 : 59,090.51 = 38,323.18 : x
2. Step 2: Convert to fraction form
   42,807.21/59,090.51 = 38,323.18/x
3. Step 3: Cross multiply
   42,807.21x = 59,090.51 × 38,323.18
4. Step 4: Simplify right side
   42,807.21x = 2,264,536,420.69
5. Step 5: Solve for x
   x = 2,264,536,420.69/42,807.21
6. Step 6: Final answer
   x = 52,900.81