Finding the Fourth Proportional to 99,106.94, 148,683.10 and 42,956.46

Step by Step Solution

1. Step 1: Write the proportion equation
   99,106.94 : 148,683.10 = 42,956.46 : x
2. Step 2: Convert to fraction form
   99,106.94/148,683.10 = 42,956.46/x
3. Step 3: Cross multiply
   99,106.94x = 148,683.10 × 42,956.46
4. Step 4: Simplify right side
   99,106.94x = 6,386,899,637.83
5. Step 5: Solve for x
   x = 6,386,899,637.83/99,106.94
6. Step 6: Final answer
   x = 64,444.52