Finding the Fourth Proportional to 116,885,630.14, 161,302,358.55 and 64,676,866.30

Step by Step Solution

1. Step 1: Write the proportion equation
   116,885,630.14 : 161,302,358.55 = 64,676,866.30 : x
2. Step 2: Convert to fraction form
   116,885,630.14/161,302,358.55 = 64,676,866.30/x
3. Step 3: Cross multiply
   116,885,630.14x = 161,302,358.55 × 64,676,866.30
4. Step 4: Simplify right side
   116,885,630.14x = 10,432,531,077,813,012
5. Step 5: Solve for x
   x = 10,432,531,077,813,012/116,885,630.14
6. Step 6: Final answer
   x = 89,254,180.05