Finding the Fourth Proportional to 105,818,551.09, 146,038,809.56 and 58,784,773.94

Step by Step Solution

1. Step 1: Write the proportion equation
   105,818,551.09 : 146,038,809.56 = 58,784,773.94 : x
2. Step 2: Convert to fraction form
   105,818,551.09/146,038,809.56 = 58,784,773.94/x
3. Step 3: Cross multiply
   105,818,551.09x = 146,038,809.56 × 58,784,773.94
4. Step 4: Simplify right side
   105,818,551.09x = 8,584,858,406,451,311
5. Step 5: Solve for x
   x = 8,584,858,406,451,311/105,818,551.09
6. Step 6: Final answer
   x = 81,128,103.89