Finding the Fourth Proportional to 118,075.99, 177,081.59 and 70,653.77

Step by Step Solution

1. Step 1: Write the proportion equation
   118,075.99 : 177,081.59 = 70,653.77 : x
2. Step 2: Convert to fraction form
   118,075.99/177,081.59 = 70,653.77/x
3. Step 3: Cross multiply
   118,075.99x = 177,081.59 × 70,653.77
4. Step 4: Simplify right side
   118,075.99x = 12,511,482,550.43
5. Step 5: Solve for x
   x = 12,511,482,550.43/118,075.99
6. Step 6: Final answer
   x = 105,961.28