Finding the Fourth Proportional to 105,196,570.29, 145,171,463.69 and 58,786,824.26

Step by Step Solution

1. Step 1: Write the proportion equation
   105,196,570.29 : 145,171,463.69 = 58,786,824.26 : x
2. Step 2: Convert to fraction form
   105,196,570.29/145,171,463.69 = 58,786,824.26/x
3. Step 3: Cross multiply
   105,196,570.29x = 145,171,463.69 × 58,786,824.26
4. Step 4: Simplify right side
   105,196,570.29x = 8,534,169,324,020,897
5. Step 5: Solve for x
   x = 8,534,169,324,020,897/105,196,570.29
6. Step 6: Final answer
   x = 81,125,927.40