Finding the Fourth Proportional to 101,735.30, 152,571.74 and 70,347.05

Step by Step Solution

1. Step 1: Write the proportion equation
   101,735.30 : 152,571.74 = 70,347.05 : x
2. Step 2: Convert to fraction form
   101,735.30/152,571.74 = 70,347.05/x
3. Step 3: Cross multiply
   101,735.30x = 152,571.74 × 70,347.05
4. Step 4: Simplify right side
   101,735.30x = 10,732,971,235.38
5. Step 5: Solve for x
   x = 10,732,971,235.38/101,735.30
6. Step 6: Final answer
   x = 105,498.99