Finding the Fourth Proportional to 57,192,104.72, 78,925,632.91 and 31,086,683.98

Step by Step Solution

1. Step 1: Write the proportion equation
   57,192,104.72 : 78,925,632.91 = 31,086,683.98 : x
2. Step 2: Convert to fraction form
   57,192,104.72/78,925,632.91 = 31,086,683.98/x
3. Step 3: Cross multiply
   57,192,104.72x = 78,925,632.91 × 31,086,683.98
4. Step 4: Simplify right side
   57,192,104.72x = 2,453,536,207,919,627
5. Step 5: Solve for x
   x = 2,453,536,207,919,627/57,192,104.72
6. Step 6: Final answer
   x = 42,899,911.09