Finding the Fourth Proportional to 13,108,379.52, 18,090,548.84 and 7,601,706.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,108,379.52 : 18,090,548.84 = 7,601,706.56 : x
2. Step 2: Convert to fraction form
   13,108,379.52/18,090,548.84 = 7,601,706.56/x
3. Step 3: Cross multiply
   13,108,379.52x = 18,090,548.84 × 7,601,706.56
4. Step 4: Simplify right side
   13,108,379.52x = 137,519,043,791,028.38
5. Step 5: Solve for x
   x = 137,519,043,791,028.38/13,108,379.52
6. Step 6: Final answer
   x = 10,490,926.33