Finding the Fourth Proportional to 101,074.16, 139,482.04 and 56,362.16

Step by Step Solution

1. Step 1: Write the proportion equation
   101,074.16 : 139,482.04 = 56,362.16 : x
2. Step 2: Convert to fraction form
   101,074.16/139,482.04 = 56,362.16/x
3. Step 3: Cross multiply
   101,074.16x = 139,482.04 × 56,362.16
4. Step 4: Simplify right side
   101,074.16x = 7,861,509,055.61
5. Step 5: Solve for x
   x = 7,861,509,055.61/101,074.16
6. Step 6: Final answer
   x = 77,779.61