Finding the Fourth Proportional to 63,501,295.89, 87,669,353.75 and 39,999,978.42

Step by Step Solution

1. Step 1: Write the proportion equation
   63,501,295.89 : 87,669,353.75 = 39,999,978.42 : x
2. Step 2: Convert to fraction form
   63,501,295.89/87,669,353.75 = 39,999,978.42/x
3. Step 3: Cross multiply
   63,501,295.89x = 87,669,353.75 × 39,999,978.42
4. Step 4: Simplify right side
   63,501,295.89x = 3,506,772,257,895,346.50
5. Step 5: Solve for x
   x = 3,506,772,257,895,346.50/63,501,295.89
6. Step 6: Final answer
   x = 55,223,632.98