Finding the Fourth Proportional to 65,314, 90,152.56 and 42,656.48

Step by Step Solution

1. Step 1: Write the proportion equation
   65,314 : 90,152.56 = 42,656.48 : x
2. Step 2: Convert to fraction form
   65,314/90,152.56 = 42,656.48/x
3. Step 3: Cross multiply
   65,314x = 90,152.56 × 42,656.48
4. Step 4: Simplify right side
   65,314x = 3,845,590,872.59
5. Step 5: Solve for x
   x = 3,845,590,872.59/65,314
6. Step 6: Final answer
   x = 58,878.51