Finding the Fourth Proportional to 99,852.14, 137,762.17 and 61,075.72

Step by Step Solution

1. Step 1: Write the proportion equation
   99,852.14 : 137,762.17 = 61,075.72 : x
2. Step 2: Convert to fraction form
   99,852.14/137,762.17 = 61,075.72/x
3. Step 3: Cross multiply
   99,852.14x = 137,762.17 × 61,075.72
4. Step 4: Simplify right side
   99,852.14x = 8,413,923,741.03
5. Step 5: Solve for x
   x = 8,413,923,741.03/99,852.14
6. Step 6: Final answer
   x = 84,263.83