Finding the Fourth Proportional to 56,649,019.05, 78,171,174.64 and 31,864,271.57

Step by Step Solution

1. Step 1: Write the proportion equation
   56,649,019.05 : 78,171,174.64 = 31,864,271.57 : x
2. Step 2: Convert to fraction form
   56,649,019.05/78,171,174.64 = 31,864,271.57/x
3. Step 3: Cross multiply
   56,649,019.05x = 78,171,174.64 × 31,864,271.57
4. Step 4: Simplify right side
   56,649,019.05x = 2,490,867,537,674,857
5. Step 5: Solve for x
   x = 2,490,867,537,674,857/56,649,019.05
6. Step 6: Final answer
   x = 43,970,179.53