Finding the Fourth Proportional to 82,126,911.60, 113,323,275.72 and 45,457,395.12

Step by Step Solution

1. Step 1: Write the proportion equation
   82,126,911.60 : 113,323,275.72 = 45,457,395.12 : x
2. Step 2: Convert to fraction form
   82,126,911.60/113,323,275.72 = 45,457,395.12/x
3. Step 3: Cross multiply
   82,126,911.60x = 113,323,275.72 × 45,457,395.12
4. Step 4: Simplify right side
   82,126,911.60x = 5,151,380,920,696,742
5. Step 5: Solve for x
   x = 5,151,380,920,696,742/82,126,911.60
6. Step 6: Final answer
   x = 62,724,639.47