Finding the Fourth Proportional to 12,817,101.42, 17,687,605.50 and 7,015,916.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,817,101.42 : 17,687,605.50 = 7,015,916.25 : x
2. Step 2: Convert to fraction form
   12,817,101.42/17,687,605.50 = 7,015,916.25/x
3. Step 3: Cross multiply
   12,817,101.42x = 17,687,605.50 × 7,015,916.25
4. Step 4: Simplify right side
   12,817,101.42x = 124,094,758,851,039.38
5. Step 5: Solve for x
   x = 124,094,758,851,039.38/12,817,101.42
6. Step 6: Final answer
   x = 9,681,967.46