Finding the Fourth Proportional to 148,495,140.72, 204,920,211.69 and 82,411,801.02

Step by Step Solution

1. Step 1: Write the proportion equation
   148,495,140.72 : 204,920,211.69 = 82,411,801.02 : x
2. Step 2: Convert to fraction form
   148,495,140.72/204,920,211.69 = 82,411,801.02/x
3. Step 3: Cross multiply
   148,495,140.72x = 204,920,211.69 × 82,411,801.02
4. Step 4: Simplify right side
   148,495,140.72x = 16,887,843,710,772,556
5. Step 5: Solve for x
   x = 16,887,843,710,772,556/148,495,140.72
6. Step 6: Final answer
   x = 113,726,574.68