Finding the Fourth Proportional to 56,970.01, 78,618.15 and 31,476.30

Step by Step Solution

1. Step 1: Write the proportion equation
   56,970.01 : 78,618.15 = 31,476.30 : x
2. Step 2: Convert to fraction form
   56,970.01/78,618.15 = 31,476.30/x
3. Step 3: Cross multiply
   56,970.01x = 78,618.15 × 31,476.30
4. Step 4: Simplify right side
   56,970.01x = 2,474,608,298.06
5. Step 5: Solve for x
   x = 2,474,608,298.06/56,970.01
6. Step 6: Final answer
   x = 43,437.03