Finding the Fourth Proportional to 56,649,017.05, 78,171,171.89 and 31,864,269.57

Step by Step Solution

1. Step 1: Write the proportion equation
   56,649,017.05 : 78,171,171.89 = 31,864,269.57 : x
2. Step 2: Convert to fraction form
   56,649,017.05/78,171,171.89 = 31,864,269.57/x
3. Step 3: Cross multiply
   56,649,017.05x = 78,171,171.89 × 31,864,269.57
4. Step 4: Simplify right side
   56,649,017.05x = 2,490,867,293,253,303.50
5. Step 5: Solve for x
   x = 2,490,867,293,253,303.50/56,649,017.05
6. Step 6: Final answer
   x = 43,970,176.76