Finding the Fourth Proportional to 107,055.34, 147,498.47 and 70,692.21

Step by Step Solution

1. Step 1: Write the proportion equation
   107,055.34 : 147,498.47 = 70,692.21 : x
2. Step 2: Convert to fraction form
   107,055.34/147,498.47 = 70,692.21/x
3. Step 3: Cross multiply
   107,055.34x = 147,498.47 × 70,692.21
4. Step 4: Simplify right side
   107,055.34x = 10,426,992,727.55
5. Step 5: Solve for x
   x = 10,426,992,727.55/107,055.34
6. Step 6: Final answer
   x = 97,398.16