Finding the Fourth Proportional to 10,538,681.72, 14,538,927.42 and 7,055,142.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,538,681.72 : 14,538,927.42 = 7,055,142.76 : x
2. Step 2: Convert to fraction form
   10,538,681.72/14,538,927.42 = 7,055,142.76/x
3. Step 3: Cross multiply
   10,538,681.72x = 14,538,927.42 × 7,055,142.76
4. Step 4: Simplify right side
   10,538,681.72x = 102,574,208,525,378.47
5. Step 5: Solve for x
   x = 102,574,208,525,378.47/10,538,681.72
6. Step 6: Final answer
   x = 9,733,115.70