Finding the Fourth Proportional to 113,507, 170,272.80 and 42,463.52

Step by Step Solution

1. Step 1: Write the proportion equation
   113,507 : 170,272.80 = 42,463.52 : x
2. Step 2: Convert to fraction form
   113,507/170,272.80 = 42,463.52/x
3. Step 3: Cross multiply
   113,507x = 170,272.80 × 42,463.52
4. Step 4: Simplify right side
   113,507x = 7,230,382,448.26
5. Step 5: Solve for x
   x = 7,230,382,448.26/113,507
6. Step 6: Final answer
   x = 63,699.88