Finding the Fourth Proportional to 52,215,305.98, 78,314,271.42 and 15,815,042

Step by Step Solution

1. Step 1: Write the proportion equation
   52,215,305.98 : 78,314,271.42 = 15,815,042 : x
2. Step 2: Convert to fraction form
   52,215,305.98/78,314,271.42 = 15,815,042/x
3. Step 3: Cross multiply
   52,215,305.98x = 78,314,271.42 × 15,815,042
4. Step 4: Simplify right side
   52,215,305.98x = 1,238,543,491,706,699.75
5. Step 5: Solve for x
   x = 1,238,543,491,706,699.75/52,215,305.98
6. Step 6: Final answer
   x = 23,719,931.70