Finding the Fourth Proportional to 56,168,158.56, 77,512,164.17 and 31,388,345.54

Step by Step Solution

1. Step 1: Write the proportion equation
   56,168,158.56 : 77,512,164.17 = 31,388,345.54 : x
2. Step 2: Convert to fraction form
   56,168,158.56/77,512,164.17 = 31,388,345.54/x
3. Step 3: Cross multiply
   56,168,158.56x = 77,512,164.17 × 31,388,345.54
4. Step 4: Simplify right side
   56,168,158.56x = 2,432,978,592,267,335.50
5. Step 5: Solve for x
   x = 2,432,978,592,267,335.50/56,168,158.56
6. Step 6: Final answer
   x = 43,315,975.72