Finding the Fourth Proportional to 93,312,105.30, 139,968,157.95 and 42,293,769.30

Step by Step Solution

1. Step 1: Write the proportion equation
   93,312,105.30 : 139,968,157.95 = 42,293,769.30 : x
2. Step 2: Convert to fraction form
   93,312,105.30/139,968,157.95 = 42,293,769.30/x
3. Step 3: Cross multiply
   93,312,105.30x = 139,968,157.95 × 42,293,769.30
4. Step 4: Simplify right side
   93,312,105.30x = 5,919,780,981,683,260
5. Step 5: Solve for x
   x = 5,919,780,981,683,260/93,312,105.30
6. Step 6: Final answer
   x = 63,440,653.95