Finding the Fourth Proportional to 93,210,749.52, 128,685,949.50 and 82,868,858.28

Step by Step Solution

1. Step 1: Write the proportion equation
   93,210,749.52 : 128,685,949.50 = 82,868,858.28 : x
2. Step 2: Convert to fraction form
   93,210,749.52/128,685,949.50 = 82,868,858.28/x
3. Step 3: Cross multiply
   93,210,749.52x = 128,685,949.50 × 82,868,858.28
4. Step 4: Simplify right side
   93,210,749.52x = 10,664,057,711,742,738
5. Step 5: Solve for x
   x = 10,664,057,711,742,738/93,210,749.52
6. Step 6: Final answer
   x = 114,408,024.47