Finding the Fourth Proportional to 22,479,953.73, 31,022,594.89 and 13,187,681.87

Step by Step Solution

1. Step 1: Write the proportion equation
   22,479,953.73 : 31,022,594.89 = 13,187,681.87 : x
2. Step 2: Convert to fraction form
   22,479,953.73/31,022,594.89 = 13,187,681.87/x
3. Step 3: Cross multiply
   22,479,953.73x = 31,022,594.89 × 13,187,681.87
4. Step 4: Simplify right side
   22,479,953.73x = 409,116,112,289,983.19
5. Step 5: Solve for x
   x = 409,116,112,289,983.19/22,479,953.73
6. Step 6: Final answer
   x = 18,199,152.77