Finding the Fourth Proportional to 69,075.32, 103,438.01 and 42,700.10

Step by Step Solution

1. Step 1: Write the proportion equation
   69,075.32 : 103,438.01 = 42,700.10 : x
2. Step 2: Convert to fraction form
   69,075.32/103,438.01 = 42,700.10/x
3. Step 3: Cross multiply
   69,075.32x = 103,438.01 × 42,700.10
4. Step 4: Simplify right side
   69,075.32x = 4,416,812,960.36
5. Step 5: Solve for x
   x = 4,416,812,960.36/69,075.32
6. Step 6: Final answer
   x = 63,941.99