Finding the Fourth Proportional to 154,748,722.86, 213,554,624.52 and 84,185,870.64

Step by Step Solution

1. Step 1: Write the proportion equation
   154,748,722.86 : 213,554,624.52 = 84,185,870.64 : x
2. Step 2: Convert to fraction form
   154,748,722.86/213,554,624.52 = 84,185,870.64/x
3. Step 3: Cross multiply
   154,748,722.86x = 213,554,624.52 × 84,185,870.64
4. Step 4: Simplify right side
   154,748,722.86x = 17,978,281,994,414,494
5. Step 5: Solve for x
   x = 17,978,281,994,414,494/154,748,722.86
6. Step 6: Final answer
   x = 116,177,256.02