Finding the Fourth Proportional to 83,709, 115,518.60 and 45,468.72

Step by Step Solution

1. Step 1: Write the proportion equation
   83,709 : 115,518.60 = 45,468.72 : x
2. Step 2: Convert to fraction form
   83,709/115,518.60 = 45,468.72/x
3. Step 3: Cross multiply
   83,709x = 115,518.60 × 45,468.72
4. Step 4: Simplify right side
   83,709x = 5,252,482,878.19
5. Step 5: Solve for x
   x = 5,252,482,878.19/83,709
6. Step 6: Final answer
   x = 62,746.93