Finding the Fourth Proportional to 56,883.66, 78,499.38 and 31,390.01

Step by Step Solution

1. Step 1: Write the proportion equation
   56,883.66 : 78,499.38 = 31,390.01 : x
2. Step 2: Convert to fraction form
   56,883.66/78,499.38 = 31,390.01/x
3. Step 3: Cross multiply
   56,883.66x = 78,499.38 × 31,390.01
4. Step 4: Simplify right side
   56,883.66x = 2,464,096,784.34
5. Step 5: Solve for x
   x = 2,464,096,784.34/56,883.66
6. Step 6: Final answer
   x = 43,318.19