Finding the Fourth Proportional to 195,667.96, 293,336.16 and 77,422.72

Step by Step Solution

1. Step 1: Write the proportion equation
   195,667.96 : 293,336.16 = 77,422.72 : x
2. Step 2: Convert to fraction form
   195,667.96/293,336.16 = 77,422.72/x
3. Step 3: Cross multiply
   195,667.96x = 293,336.16 × 77,422.72
4. Step 4: Simplify right side
   195,667.96x = 22,710,883,381.56
5. Step 5: Solve for x
   x = 22,710,883,381.56/195,667.96
6. Step 6: Final answer
   x = 116,068.48