Finding the Fourth Proportional to 77,821,246.72, 107,391,447.30 and 42,537,467.98

Step by Step Solution

1. Step 1: Write the proportion equation
   77,821,246.72 : 107,391,447.30 = 42,537,467.98 : x
2. Step 2: Convert to fraction form
   77,821,246.72/107,391,447.30 = 42,537,467.98/x
3. Step 3: Cross multiply
   77,821,246.72x = 107,391,447.30 × 42,537,467.98
4. Step 4: Simplify right side
   77,821,246.72x = 4,568,160,250,849,607
5. Step 5: Solve for x
   x = 4,568,160,250,849,607/77,821,246.72
6. Step 6: Final answer
   x = 58,700,681.93