Finding the Fourth Proportional to 105,187,300.88, 145,155,690.71 and 58,777,936.16

Step by Step Solution

1. Step 1: Write the proportion equation
   105,187,300.88 : 145,155,690.71 = 58,777,936.16 : x
2. Step 2: Convert to fraction form
   105,187,300.88/145,155,690.71 = 58,777,936.16/x
3. Step 3: Cross multiply
   105,187,300.88x = 145,155,690.71 × 58,777,936.16
4. Step 4: Simplify right side
   105,187,300.88x = 8,531,951,920,793,418
5. Step 5: Solve for x
   x = 8,531,951,920,793,418/105,187,300.88
6. Step 6: Final answer
   x = 81,111,995.93