Finding the Fourth Proportional to 105,205,123.58, 145,187,554.26 and 58,795,376.12

Step by Step Solution

1. Step 1: Write the proportion equation
   105,205,123.58 : 145,187,554.26 = 58,795,376.12 : x
2. Step 2: Convert to fraction form
   105,205,123.58/145,187,554.26 = 58,795,376.12/x
3. Step 3: Cross multiply
   105,205,123.58x = 145,187,554.26 × 58,795,376.12
4. Step 4: Simplify right side
   105,205,123.58x = 8,536,356,860,659,607
5. Step 5: Solve for x
   x = 8,536,356,860,659,607/105,205,123.58
6. Step 6: Final answer
   x = 81,140,124.84