Finding the Fourth Proportional to 42,358,052.10, 63,537,078.15 and 42,358,052.10

Step by Step Solution

1. Step 1: Write the proportion equation
   42,358,052.10 : 63,537,078.15 = 42,358,052.10 : x
2. Step 2: Convert to fraction form
   42,358,052.10/63,537,078.15 = 42,358,052.10/x
3. Step 3: Cross multiply
   42,358,052.10x = 63,537,078.15 × 42,358,052.10
4. Step 4: Simplify right side
   42,358,052.10x = 2,691,306,866,559,471.50
5. Step 5: Solve for x
   x = 2,691,306,866,559,471.50/42,358,052.10
6. Step 6: Final answer
   x = 63,537,078.15