Finding the Fourth Proportional to 17,978,776.49, 24,813,141.53 and 10,139,898.75

Step by Step Solution

1. Step 1: Write the proportion equation
   17,978,776.49 : 24,813,141.53 = 10,139,898.75 : x
2. Step 2: Convert to fraction form
   17,978,776.49/24,813,141.53 = 10,139,898.75/x
3. Step 3: Cross multiply
   17,978,776.49x = 24,813,141.53 × 10,139,898.75
4. Step 4: Simplify right side
   17,978,776.49x = 251,602,742,732,920.59
5. Step 5: Solve for x
   x = 251,602,742,732,920.59/17,978,776.49
6. Step 6: Final answer
   x = 13,994,430.76