Finding the Fourth Proportional to 70,938.79, 106,439.54 and 37,196.75

Step by Step Solution

1. Step 1: Write the proportion equation
   70,938.79 : 106,439.54 = 37,196.75 : x
2. Step 2: Convert to fraction form
   70,938.79/106,439.54 = 37,196.75/x
3. Step 3: Cross multiply
   70,938.79x = 106,439.54 × 37,196.75
4. Step 4: Simplify right side
   70,938.79x = 3,959,205,039.61
5. Step 5: Solve for x
   x = 3,959,205,039.61/70,938.79
6. Step 6: Final answer
   x = 55,811.56