Finding the Fourth Proportional to 56,667,980.16, 78,195,782.88 and 31,887,735.12

Step by Step Solution

1. Step 1: Write the proportion equation
   56,667,980.16 : 78,195,782.88 = 31,887,735.12 : x
2. Step 2: Convert to fraction form
   56,667,980.16/78,195,782.88 = 31,887,735.12/x
3. Step 3: Cross multiply
   56,667,980.16x = 78,195,782.88 × 31,887,735.12
4. Step 4: Simplify right side
   56,667,980.16x = 2,493,486,411,978,470.50
5. Step 5: Solve for x
   x = 2,493,486,411,978,470.50/56,667,980.16
6. Step 6: Final answer
   x = 44,001,681.46