Finding the Fourth Proportional to 101,933.78, 152,820.63 and 64,414.89

Step by Step Solution

1. Step 1: Write the proportion equation
   101,933.78 : 152,820.63 = 64,414.89 : x
2. Step 2: Convert to fraction form
   101,933.78/152,820.63 = 64,414.89/x
3. Step 3: Cross multiply
   101,933.78x = 152,820.63 × 64,414.89
4. Step 4: Simplify right side
   101,933.78x = 9,843,924,071.18
5. Step 5: Solve for x
   x = 9,843,924,071.18/101,933.78
6. Step 6: Final answer
   x = 96,571.76