Finding the Fourth Proportional to 57,140,936.69, 78,854,058.99 and 31,035,641.35

Step by Step Solution

1. Step 1: Write the proportion equation
   57,140,936.69 : 78,854,058.99 = 31,035,641.35 : x
2. Step 2: Convert to fraction form
   57,140,936.69/78,854,058.99 = 31,035,641.35/x
3. Step 3: Cross multiply
   57,140,936.69x = 78,854,058.99 × 31,035,641.35
4. Step 4: Simplify right side
   57,140,936.69x = 2,447,286,293,411,112.50
5. Step 5: Solve for x
   x = 2,447,286,293,411,112.50/57,140,936.69
6. Step 6: Final answer
   x = 42,828,949.53