Finding the Fourth Proportional to 63,389,856.72, 94,948,123.56 and 42,806,390.20

Step by Step Solution

1. Step 1: Write the proportion equation
   63,389,856.72 : 94,948,123.56 = 42,806,390.20 : x
2. Step 2: Convert to fraction form
   63,389,856.72/94,948,123.56 = 42,806,390.20/x
3. Step 3: Cross multiply
   63,389,856.72x = 94,948,123.56 × 42,806,390.20
4. Step 4: Simplify right side
   63,389,856.72x = 4,064,386,426,003,362.50
5. Step 5: Solve for x
   x = 4,064,386,426,003,362.50/63,389,856.72
6. Step 6: Final answer
   x = 64,117,299.46