Finding the Fourth Proportional to 74,667.36, 111,454.80 and 65,810.28

Step by Step Solution

1. Step 1: Write the proportion equation
   74,667.36 : 111,454.80 = 65,810.28 : x
2. Step 2: Convert to fraction form
   74,667.36/111,454.80 = 65,810.28/x
3. Step 3: Cross multiply
   74,667.36x = 111,454.80 × 65,810.28
4. Step 4: Simplify right side
   74,667.36x = 7,334,871,595.34
5. Step 5: Solve for x
   x = 7,334,871,595.34/74,667.36
6. Step 6: Final answer
   x = 98,233.98