Finding the Fourth Proportional to 93,312,502.30, 139,968,753.45 and 42,196,188.70

Step by Step Solution

1. Step 1: Write the proportion equation
   93,312,502.30 : 139,968,753.45 = 42,196,188.70 : x
2. Step 2: Convert to fraction form
   93,312,502.30/139,968,753.45 = 42,196,188.70/x
3. Step 3: Cross multiply
   93,312,502.30x = 139,968,753.45 × 42,196,188.70
4. Step 4: Simplify right side
   93,312,502.30x = 5,906,147,932,679,976
5. Step 5: Solve for x
   x = 5,906,147,932,679,976/93,312,502.30
6. Step 6: Final answer
   x = 63,294,283.05