Finding the Fourth Proportional to 56,970.02, 78,614.59 and 31,476.12

Step by Step Solution

1. Step 1: Write the proportion equation
   56,970.02 : 78,614.59 = 31,476.12 : x
2. Step 2: Convert to fraction form
   56,970.02/78,614.59 = 31,476.12/x
3. Step 3: Cross multiply
   56,970.02x = 78,614.59 × 31,476.12
4. Step 4: Simplify right side
   56,970.02x = 2,474,482,268.59
5. Step 5: Solve for x
   x = 2,474,482,268.59/56,970.02
6. Step 6: Final answer
   x = 43,434.81