Finding the Fourth Proportional to 319,249,049.83, 478,643,747.27 and 196,173,085.34

Step by Step Solution

1. Step 1: Write the proportion equation
   319,249,049.83 : 478,643,747.27 = 196,173,085.34 : x
2. Step 2: Convert to fraction form
   319,249,049.83/478,643,747.27 = 196,173,085.34/x
3. Step 3: Cross multiply
   319,249,049.83x = 478,643,747.27 × 196,173,085.34
4. Step 4: Simplify right side
   319,249,049.83x = 93,897,020,680,870,848
5. Step 5: Solve for x
   x = 93,897,020,680,870,848/319,249,049.83
6. Step 6: Final answer
   x = 294,118,402.96