Finding the Fourth Proportional to 48,504,230.10, 72,756,345.15 and 42,126,938.10

Step by Step Solution

1. Step 1: Write the proportion equation
   48,504,230.10 : 72,756,345.15 = 42,126,938.10 : x
2. Step 2: Convert to fraction form
   48,504,230.10/72,756,345.15 = 42,126,938.10/x
3. Step 3: Cross multiply
   48,504,230.10x = 72,756,345.15 × 42,126,938.10
4. Step 4: Simplify right side
   48,504,230.10x = 3,065,002,048,516,285.50
5. Step 5: Solve for x
   x = 3,065,002,048,516,285.50/48,504,230.10
6. Step 6: Final answer
   x = 63,190,407.15