Finding the Fourth Proportional to 139,249,447.55, 208,881,109.32 and 52,994,539.34

Step by Step Solution

1. Step 1: Write the proportion equation
   139,249,447.55 : 208,881,109.32 = 52,994,539.34 : x
2. Step 2: Convert to fraction form
   139,249,447.55/208,881,109.32 = 52,994,539.34/x
3. Step 3: Cross multiply
   139,249,447.55x = 208,881,109.32 × 52,994,539.34
4. Step 4: Simplify right side
   139,249,447.55x = 11,069,558,164,197,174
5. Step 5: Solve for x
   x = 11,069,558,164,197,174/139,249,447.55
6. Step 6: Final answer
   x = 79,494,449.42