Finding the Fourth Proportional to 105,085,409.96, 157,567,131.45 and 49,752,780.43

Step by Step Solution

1. Step 1: Write the proportion equation
   105,085,409.96 : 157,567,131.45 = 49,752,780.43 : x
2. Step 2: Convert to fraction form
   105,085,409.96/157,567,131.45 = 49,752,780.43/x
3. Step 3: Cross multiply
   105,085,409.96x = 157,567,131.45 × 49,752,780.43
4. Step 4: Simplify right side
   105,085,409.96x = 7,839,402,892,980,197
5. Step 5: Solve for x
   x = 7,839,402,892,980,197/105,085,409.96
6. Step 6: Final answer
   x = 74,600,297.95