Finding the Fourth Proportional to 136,526.34, 204,519.18 and 64,380.47

Step by Step Solution

1. Step 1: Write the proportion equation
   136,526.34 : 204,519.18 = 64,380.47 : x
2. Step 2: Convert to fraction form
   136,526.34/204,519.18 = 64,380.47/x
3. Step 3: Cross multiply
   136,526.34x = 204,519.18 × 64,380.47
4. Step 4: Simplify right side
   136,526.34x = 13,167,041,443.71
5. Step 5: Solve for x
   x = 13,167,041,443.71/136,526.34
6. Step 6: Final answer
   x = 96,443.23