Finding the Fourth Proportional to 19,123,501.50, 26,390,432.61 and 10,538,797.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,123,501.50 : 26,390,432.61 = 10,538,797.50 : x
2. Step 2: Convert to fraction form
   19,123,501.50/26,390,432.61 = 10,538,797.50/x
3. Step 3: Cross multiply
   19,123,501.50x = 26,390,432.61 × 10,538,797.50
4. Step 4: Simplify right side
   19,123,501.50x = 278,123,425,214,186.47
5. Step 5: Solve for x
   x = 278,123,425,214,186.47/19,123,501.50
6. Step 6: Final answer
   x = 14,543,540.85