Finding the Fourth Proportional to 111,673,963.72, 154,107,859.98 and 62,113,271.32

Step by Step Solution

1. Step 1: Write the proportion equation
   111,673,963.72 : 154,107,859.98 = 62,113,271.32 : x
2. Step 2: Convert to fraction form
   111,673,963.72/154,107,859.98 = 62,113,271.32/x
3. Step 3: Cross multiply
   111,673,963.72x = 154,107,859.98 × 62,113,271.32
4. Step 4: Simplify right side
   111,673,963.72x = 9,572,143,319,482,310
5. Step 5: Solve for x
   x = 9,572,143,319,482,310/111,673,963.72
6. Step 6: Final answer
   x = 85,715,085.24