Finding the Fourth Proportional to 19,426,143.50, 26,807,373.90 and 10,724,128.82

Step by Step Solution

1. Step 1: Write the proportion equation
   19,426,143.50 : 26,807,373.90 = 10,724,128.82 : x
2. Step 2: Convert to fraction form
   19,426,143.50/26,807,373.90 = 10,724,128.82/x
3. Step 3: Cross multiply
   19,426,143.50x = 26,807,373.90 × 10,724,128.82
4. Step 4: Simplify right side
   19,426,143.50x = 287,485,731,029,505.81
5. Step 5: Solve for x
   x = 287,485,731,029,505.81/19,426,143.50
6. Step 6: Final answer
   x = 14,798,909.06