Finding the Fourth Proportional to 142,661,746.17, 213,925,160.03 and 55,264,196.07

Step by Step Solution

1. Step 1: Write the proportion equation
   142,661,746.17 : 213,925,160.03 = 55,264,196.07 : x
2. Step 2: Convert to fraction form
   142,661,746.17/213,925,160.03 = 55,264,196.07/x
3. Step 3: Cross multiply
   142,661,746.17x = 213,925,160.03 × 55,264,196.07
4. Step 4: Simplify right side
   142,661,746.17x = 11,822,401,987,927,726
5. Step 5: Solve for x
   x = 11,822,401,987,927,726/142,661,746.17
6. Step 6: Final answer
   x = 82,870,161.80