Finding the Fourth Proportional to 78,023,501.29, 107,672,429.82 and 43,218,433.75

Step by Step Solution

1. Step 1: Write the proportion equation
   78,023,501.29 : 107,672,429.82 = 43,218,433.75 : x
2. Step 2: Convert to fraction form
   78,023,501.29/107,672,429.82 = 43,218,433.75/x
3. Step 3: Cross multiply
   78,023,501.29x = 107,672,429.82 × 43,218,433.75
4. Step 4: Simplify right side
   78,023,501.29x = 4,653,433,774,338,832
5. Step 5: Solve for x
   x = 4,653,433,774,338,832/78,023,501.29
6. Step 6: Final answer
   x = 59,641,437.49