Finding the Fourth Proportional to 55,930,790.07, 77,186,895.82 and 31,150,987.94

Step by Step Solution

1. Step 1: Write the proportion equation
   55,930,790.07 : 77,186,895.82 = 31,150,987.94 : x
2. Step 2: Convert to fraction form
   55,930,790.07/77,186,895.82 = 31,150,987.94/x
3. Step 3: Cross multiply
   55,930,790.07x = 77,186,895.82 × 31,150,987.94
4. Step 4: Simplify right side
   55,930,790.07x = 2,404,448,060,752,642
5. Step 5: Solve for x
   x = 2,404,448,060,752,642/55,930,790.07
6. Step 6: Final answer
   x = 42,989,703.12