Finding the Fourth Proportional to 101,181, 139,619.80 and 55,856.04

Step by Step Solution

1. Step 1: Write the proportion equation
   101,181 : 139,619.80 = 55,856.04 : x
2. Step 2: Convert to fraction form
   101,181/139,619.80 = 55,856.04/x
3. Step 3: Cross multiply
   101,181x = 139,619.80 × 55,856.04
4. Step 4: Simplify right side
   101,181x = 7,798,609,133.59
5. Step 5: Solve for x
   x = 7,798,609,133.59/101,181
6. Step 6: Final answer
   x = 77,075.83