Finding the Fourth Proportional to 112,461.01, 155,196.35 and 64,713.40

Step by Step Solution

1. Step 1: Write the proportion equation
   112,461.01 : 155,196.35 = 64,713.40 : x
2. Step 2: Convert to fraction form
   112,461.01/155,196.35 = 64,713.40/x
3. Step 3: Cross multiply
   112,461.01x = 155,196.35 × 64,713.40
4. Step 4: Simplify right side
   112,461.01x = 10,043,283,476.09
5. Step 5: Solve for x
   x = 10,043,283,476.09/112,461.01
6. Step 6: Final answer
   x = 89,304.58