Finding the Fourth Proportional to 17,978,779.50, 24,813,145.68 and 10,139,901.75

Step by Step Solution

1. Step 1: Write the proportion equation
   17,978,779.50 : 24,813,145.68 = 10,139,901.75 : x
2. Step 2: Convert to fraction form
   17,978,779.50/24,813,145.68 = 10,139,901.75/x
3. Step 3: Cross multiply
   17,978,779.50x = 24,813,145.68 × 10,139,901.75
4. Step 4: Simplify right side
   17,978,779.50x = 251,602,859,303,636.94
5. Step 5: Solve for x
   x = 251,602,859,303,636.94/17,978,779.50
6. Step 6: Final answer
   x = 13,994,434.90