Finding the Fourth Proportional to 58,460,514.30, 81,979,089.30 and 58,460,514.30

Step by Step Solution

1. Step 1: Write the proportion equation
   58,460,514.30 : 81,979,089.30 = 58,460,514.30 : x
2. Step 2: Convert to fraction form
   58,460,514.30/81,979,089.30 = 58,460,514.30/x
3. Step 3: Cross multiply
   58,460,514.30x = 81,979,089.30 × 58,460,514.30
4. Step 4: Simplify right side
   58,460,514.30x = 4,792,539,722,323,627
5. Step 5: Solve for x
   x = 4,792,539,722,323,627/58,460,514.30
6. Step 6: Final answer
   x = 81,979,089.30